Sound intensity detector

Performance：use digital microprocessor with intelligent digital signal  processing,

4 digital displays, adopt STM production process, with 4 work model, installed external microphone/third party pickup.

Detection range of sound intensity:35dB-110dB External MIC: the distance from the detector up to 50m

Voltage:9-15VDC   Current:40Ma;  Ripple≤30mVpp

Work TEMP: -20℃- 60℃

Working humidity:MAX 90%RH, no condensation